Introduction This manual is provided to assist service personnel with the adjustment procedures of the HSL-1 load moment limiter. The angle adjustment routine must be performed when the boom is installed on the crane the first time. Follow the flow chart below to determine the actions required after completing the angle adjustment routine.
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Angle Correction 4. Hoist the boom until the boom hoist limit system ac- tivates. After the boom automatically stops, press 1. Move the boom to a 60 degree angle and press the the <NEXT> button. <START> button. 5. Measure the actual working radius for the selected 2.
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Load Cell Zero Point Correction This value is the actual output voltage from the load cell. This number will vary with boom hoist rope tension. With no tension on the boom hoist rope, this number must be 0.48 to 0.52 before pressing the start button to begin the load cell adjustment routine.
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Self-Weight Correction 2. With the boom lower speed in the superfine mode, 1. Hoist the boom until the target angle is reached and lower the boom. As the boom passes each target the Start box and correction point 6 illuminates angle, the appropriate correction box will illuminate green.
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